194 SYNOPSIS OP BRITISH MOSSES. 



Alpine rocks, chalk hills, &c. May, June. 



454 T. Blandovii, W. and M. St. 3 inches, erect, 

 flexible. Br. slender, spreading. L. loosely imbricate, 

 erect, from a spreading base, broadly ovate or sub- 

 cordate, acute, narrowed at base almost to a pedicel, 

 keeled, serrulate, not papillose on keel, thinly nerved 

 nearly to apex, margin recurved, areola larger, sub- 

 hexagonal. Paraphyllia laciniate-ciliate, mixed with 

 tomentum. Caps, oblong, curved, cernuous, lid conical, 

 with a blunt point. Monoicous. 



Bogs. Eare. May. 



Tribe xxx. Htpnacej!. 



Fam. 1. Pterygynandrese. 



110. PTERYGYNANDRITJM, He(iu;. 



455. P. filiforme, Timm. St. creeping, with incurved, 

 fasciculate branches. L. imbricate or secund, obovate 

 and oblong, shortly acuminate, concave, papillose at 

 back, serrulate at pointed apex, margin recurved, 

 nerved half way, or shortly 2-nerved at base. Gaps, 

 elliptical, erect, lid conical, obliquely rostrate. 



Mountainous rocks and tree trunks. May, June. 



Scotland, Ireland. 



Fam. 2. Orthotheciae. 

 111. LESCUR^A, Schjy. 



456. L. sazicola, Milde. Pr. st. creeping, regularly 

 pinnatedly branched at extreiuifcy. L. subsecund, 

 oblong-oval, shortly acuminate, apex distinctly serrate, 

 concave, sulcate on one side, margin recurved, nerve 

 vanishing below apex. Paraphyllia filiform. Caps, 

 oval, oblong, on a long seta, lid conical. Perist. teeth 

 entire or bifid, processes punctnlate. 



